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media: dvbdev: remove double-unlock

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As warned by smatch:
	drivers/media/dvb-core/dvbdev.c: drivers/media/dvb-core/dvbdev.c:529 dvb_register_device() error: double unlock 'sem:&minor_rwsem'

Reported-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab
2019-03-28 14:36:14 -04:00
parent ded7162671
commit 122d0e8dd0
1 changed files with 0 additions and 1 deletions
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drivers/media/dvb-core/dvbdev.c
-1
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@@ -526,7 +526,6 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
dvb_media_device_free(dvbdev); dvb_media_device_free(dvbdev);
kfree(dvbdevfops); kfree(dvbdevfops);
kfree(dvbdev); kfree(dvbdev);
up_write(&minor_rwsem);
mutex_unlock(&dvbdev_register_lock); mutex_unlock(&dvbdev_register_lock);
return ret; return ret;
} }